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Search Results for: big number

A TokuDB Stall Caused by a Big Transaction and How It was Fixed

One of our customers sometimes observed lots of simple insertions taking far longer than expected to complete. Usually these insertions completed in milliseconds, but the insertions sometimes were taking hundreds of seconds. These stalls indicated …


Big Data with MySQL and Hadoop at MySQL Connect 2013

I will be talking about Big Data with MySQL and Hadoop at MySQL Connect 2013 (Sept. 21-22) in San Francisco as well as at Percona University at Washington, DC (September 12, 2013). Apache Hadoop is a very …


Understanding the maximum number of columns in a MySQL table

This post was initially going to be two sets of polls: “What is the maximum number of columns in MySQL?” and “What is the minimum maximum number of columns in MySQL?”. Before you read on, …


First of New NSF Big Data Grants Go to Tokutek Founders

The core technology behind Tokutek is based on the academic research by our founders: Michael Bender, Bradley Kuszmaul and Martin Farach-Colton.  They are all still in academia, in addition to their work at Tokutek. Back …


Basement Nodes: Turning Big Writes into Small Reads

Executive Summary Fast indexing requires the leaves of a Fractal Tree® Index to be big. But some queries require the leaves to be small in order to get any reasonable performance. Basements nodes are our …


Big Data and MySQL – a Discussion with SiliconANGLE on theCUBE

Given all the focus and hype on Big Data, I was excited to have the chance at the recent O’Reilly Strata Show to sit down with Jeff Kelly, one of the top rated “Big Data” …


New England’s Victory (for Big Data)

While it might not have been New England’s weekend on the Big Gridiron, it was certainly New England’s day for Big Data at the New England Database Summit on Friday at MIT. The summit was …


The Big Data Community at the MassTLC unConference

  I had the pleasure of being invited to blog at the MassTLC unConference on Friday. The event was a full day of diverse topics and discussions ranging from the latest in recipe sharing sites, …


Online Advertiser Intent Media Selects TokuDB over InnoDB and NoSQL for Big Data Ad-Hoc Analysis

Intent Media Issue addressed: Ad hoc analytics on clickstream data arriving too fast for InnoDB or NoSQL to handle. TokuDB powers an online advertising application The Company: Headquartered in New York, Intent Media is a …


Impact of the number of idle connections in MySQL (version 2)

Last Friday I published results of DBT2 performance while varying the number of idle connections here, but I had compiled MySQL with the debugging code enabled. That completely screw up my results, be aware… debug …